27991558

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 49550400

約数和(自身を除く): 21558842

約数列:

[1, 2, 7, 14, 61, 73, 122, 146, 427, 449, 511, 854, 898, 1022, 3143, 4453, 6286, 8906, 27389, 31171, 32777, 54778, 62342, 65554, 191723, 229439, 383446, 458878, 1999397, 3998794, 13995779, 27991558]

約数ペア:

[(1, 27991558), (2, 13995779), (7, 3998794), (14, 1999397), (61, 458878), (73, 383446), (122, 229439), (146, 191723), (427, 65554), (449, 62342), (511, 54778), (854, 32777), (898, 31171), (1022, 27389), (3143, 8906), (4453, 6286)]